{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "DNA", "cell line", "cell type", "protein"], "input": "Using this antibody, we isolated and sequenced a human cDNA clone encoding a protein that was identical to the mammalian 27-kDa heat shock protein ( HSP27 ), a protein of uncertain function that is known to be phosphorylated to several forms and to be transcriptionally induced by estrogen ."}
{"RNA": [], "DNA": ["cDNA clone"], "cell line": [], "cell type": [], "protein": ["mammalian 27-kDa heat shock protein", "HSP27"]}